﻿## Licensed to the Apache Software Foundation (ASF) under one
## or more contributor license agreements.  See the NOTICE file
## distributed with this work for additional information
## regarding copyright ownership.  The ASF licenses this file
## to you under the Apache License, Version 2.0 (the
## "License"); you may not use this file except in compliance
## with the License.  You may obtain a copy of the License at
##
##     http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing,
## software distributed under the License is distributed on an
## "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
## KIND, either express or implied.  See the License for the
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## under the License.

function TraceTaskExecution($message) {
    Write-Host "[$((Get-Date).ToString('MM/dd/yyyy HH:mm:ss'))] $message"
}

function WaitForTasksCompletion($scheduledTasks) {
    $tasks = [System.Collections.ArrayList] $scheduledTasks

    while ($tasks.Count -gt 0) {
        Start-Sleep -s $StatusPollingInterval

        for ($taskIndex = 0; $taskIndex -lt $tasks.Count; ++$taskIndex) {
            $response = (InvokeRestAPI $tasks[$taskIndex].href $Username $Password).Body

            TraceTaskExecution "Task $($response.Tasks.command) for $($response.Tasks.role) on $($response.Tasks.host_name) is $($response.Tasks.status)."
            if ($response.Tasks.status -ne 'COMPLETED') { continue }

            if ($response.Tasks.exit_code -eq 0) {
                $tasks.RemoveAt($taskIndex--)
            } else {
                throw "Task $($response.Tasks.command) for $($response.Tasks.role) on $($response.Tasks.host_name) failed: $($response.Tasks.stderr)."
            }
        }
    }
}
